How to determine the height of the keyboard in iOS

Keyboards in iOS can have various sizes. Not only can a keyboard be presented in portrait or landscape, on various devices with a plethora of screen sizes, and users may have QuickType enabled or disabled. Too many variables for hard coding.

Lucky for us, we can check all kinds of properties about a keyboard by dissecting the dictionary that is passed with the notifications mentioned in my previous post. If you recall, we can check when a keyboard appears or disappears using an observer. Let’s take a look at that notification when the keyboard is presented, and we can extract the height like this: